* {
  padding: 0;
  margin: 0;
}
body {
  overflow-y: scroll;
  overflow-x: none;
  font-family: sans-serif;
  background: white;
  position: absolute;
  width: 100%;
  transition: all .3s ease;
}
h3{
  font-size: 1.2em;
  font-weight: bold;
}
input, textarea {
  background: #EEE;
  width: 90%;
  margin-right: 50%;
  line-height: 25px;
  font-size: 20px;
  padding: 5px 1em;
  border-radius: 0.45em;
  margin-bottom: 20px;
  margin-top: 10px;
  resize: none;
  border: none;
  text-decoration: none;
  -o-appearance:none;
  -moz-appearance: none;
  -khtml-appearance: none;
  -webkit-appearance: none;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}
input:focus, textarea:focus{

  outline: none;
  border: #00ffa6 3px solid;
  -webkit-appearance: none;
}
.demo-container {
  padding: 20px;
  transition: all .3s ease;
  width: 80%;
  margin: auto;
}
img{
  display: block;
  margin: auto;
}
h1{
  text-align: center
}
.piano-header{
  margin-top: 20px;
  margin-bottom: 20px;
}
.attrDesc{
  font-style: italic;
  color: #696969;
  margin-left: 5%;
  margin-top: 10px;
  margin-bottom: 10px;
  line-height: 1.2em;
}
.desc{
  background: #EEE;
  padding-top: 30px;
  padding-bottom: 30px;
  text-align: justify;
}
.desc > p {
  width: 80%;
  margin-left: 10%;
  line-height: 1.5em;
}
p > a {
  color: #4078c0;
  text-decoration: none;
}
